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SubjectRe: scheduling bottom halves/task queues
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John Regehr <jdr8d@cs.virginia.edu> said:

[...]

> This seems complicated. How about having a kernel thread whose task it is
> to run bottom half handlers? If it ran at the highest priority in the
> system, then things would work more or less as they do now. However, it
> could be preempted by RT threads of sufficiently high priority.

But then you loose the connection between "This RT task is waiting for the
result from _that_ BH", which is what you need to keep others from
interfering. I.e., screw normal tasks if need be.
--
Dr. Horst H. von Brand mailto:vonbrand@inf.utfsm.cl
Departamento de Informatica Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria +56 32 654239
Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513

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